Yihui Xiong / BLE_NODE_TEST

Test code for Grove Node BLE

Dependencies:   BLE_API nRF51822

Fork of BLE_LoopbackUART by Bluetooth Low Energy

mbed-src/api/InterruptIn.h@9:05f0b5a3a70a, 2014-10-29 (annotated)

Committer:
yihui
Date:
Wed Oct 29 06:23:47 2014 +0000
Revision:
9:05f0b5a3a70a
initial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 9:05f0b5a3a70a 1 /* mbed Microcontroller Library
yihui 9:05f0b5a3a70a 2 * Copyright (c) 2006-2013 ARM Limited
yihui 9:05f0b5a3a70a 3 *
yihui 9:05f0b5a3a70a 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 9:05f0b5a3a70a 5 * you may not use this file except in compliance with the License.
yihui 9:05f0b5a3a70a 6 * You may obtain a copy of the License at
yihui 9:05f0b5a3a70a 7 *
yihui 9:05f0b5a3a70a 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 9:05f0b5a3a70a 9 *
yihui 9:05f0b5a3a70a 10 * Unless required by applicable law or agreed to in writing, software
yihui 9:05f0b5a3a70a 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 9:05f0b5a3a70a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 9:05f0b5a3a70a 13 * See the License for the specific language governing permissions and
yihui 9:05f0b5a3a70a 14 * limitations under the License.
yihui 9:05f0b5a3a70a 15 */
yihui 9:05f0b5a3a70a 16 #ifndef MBED_INTERRUPTIN_H
yihui 9:05f0b5a3a70a 17 #define MBED_INTERRUPTIN_H
yihui 9:05f0b5a3a70a 18
yihui 9:05f0b5a3a70a 19 #include "platform.h"
yihui 9:05f0b5a3a70a 20
yihui 9:05f0b5a3a70a 21 #if DEVICE_INTERRUPTIN
yihui 9:05f0b5a3a70a 22
yihui 9:05f0b5a3a70a 23 #include "gpio_api.h"
yihui 9:05f0b5a3a70a 24 #include "gpio_irq_api.h"
yihui 9:05f0b5a3a70a 25 #include "FunctionPointer.h"
yihui 9:05f0b5a3a70a 26
yihui 9:05f0b5a3a70a 27 namespace mbed {
yihui 9:05f0b5a3a70a 28
yihui 9:05f0b5a3a70a 29 /** A digital interrupt input, used to call a function on a rising or falling edge
yihui 9:05f0b5a3a70a 30 *
yihui 9:05f0b5a3a70a 31 * Example:
yihui 9:05f0b5a3a70a 32 * @code
yihui 9:05f0b5a3a70a 33 * // Flash an LED while waiting for events
yihui 9:05f0b5a3a70a 34 *
yihui 9:05f0b5a3a70a 35 * #include "mbed.h"
yihui 9:05f0b5a3a70a 36 *
yihui 9:05f0b5a3a70a 37 * InterruptIn event(p16);
yihui 9:05f0b5a3a70a 38 * DigitalOut led(LED1);
yihui 9:05f0b5a3a70a 39 *
yihui 9:05f0b5a3a70a 40 * void trigger() {
yihui 9:05f0b5a3a70a 41 * printf("triggered!\n");
yihui 9:05f0b5a3a70a 42 * }
yihui 9:05f0b5a3a70a 43 *
yihui 9:05f0b5a3a70a 44 * int main() {
yihui 9:05f0b5a3a70a 45 * event.rise(&trigger);
yihui 9:05f0b5a3a70a 46 * while(1) {
yihui 9:05f0b5a3a70a 47 * led = !led;
yihui 9:05f0b5a3a70a 48 * wait(0.25);
yihui 9:05f0b5a3a70a 49 * }
yihui 9:05f0b5a3a70a 50 * }
yihui 9:05f0b5a3a70a 51 * @endcode
yihui 9:05f0b5a3a70a 52 */
yihui 9:05f0b5a3a70a 53 class InterruptIn {
yihui 9:05f0b5a3a70a 54
yihui 9:05f0b5a3a70a 55 public:
yihui 9:05f0b5a3a70a 56
yihui 9:05f0b5a3a70a 57 /** Create an InterruptIn connected to the specified pin
yihui 9:05f0b5a3a70a 58 *
yihui 9:05f0b5a3a70a 59 * @param pin InterruptIn pin to connect to
yihui 9:05f0b5a3a70a 60 * @param name (optional) A string to identify the object
yihui 9:05f0b5a3a70a 61 */
yihui 9:05f0b5a3a70a 62 InterruptIn(PinName pin);
yihui 9:05f0b5a3a70a 63 virtual ~InterruptIn();
yihui 9:05f0b5a3a70a 64
yihui 9:05f0b5a3a70a 65 int read();
yihui 9:05f0b5a3a70a 66 #ifdef MBED_OPERATORS
yihui 9:05f0b5a3a70a 67 operator int();
yihui 9:05f0b5a3a70a 68
yihui 9:05f0b5a3a70a 69 #endif
yihui 9:05f0b5a3a70a 70
yihui 9:05f0b5a3a70a 71 /** Attach a function to call when a rising edge occurs on the input
yihui 9:05f0b5a3a70a 72 *
yihui 9:05f0b5a3a70a 73 * @param fptr A pointer to a void function, or 0 to set as none
yihui 9:05f0b5a3a70a 74 */
yihui 9:05f0b5a3a70a 75 void rise(void (*fptr)(void));
yihui 9:05f0b5a3a70a 76
yihui 9:05f0b5a3a70a 77 /** Attach a member function to call when a rising edge occurs on the input
yihui 9:05f0b5a3a70a 78 *
yihui 9:05f0b5a3a70a 79 * @param tptr pointer to the object to call the member function on
yihui 9:05f0b5a3a70a 80 * @param mptr pointer to the member function to be called
yihui 9:05f0b5a3a70a 81 */
yihui 9:05f0b5a3a70a 82 template<typename T>
yihui 9:05f0b5a3a70a 83 void rise(T* tptr, void (T::*mptr)(void)) {
yihui 9:05f0b5a3a70a 84 _rise.attach(tptr, mptr);
yihui 9:05f0b5a3a70a 85 gpio_irq_set(&gpio_irq, IRQ_RISE, 1);
yihui 9:05f0b5a3a70a 86 }
yihui 9:05f0b5a3a70a 87
yihui 9:05f0b5a3a70a 88 /** Attach a function to call when a falling edge occurs on the input
yihui 9:05f0b5a3a70a 89 *
yihui 9:05f0b5a3a70a 90 * @param fptr A pointer to a void function, or 0 to set as none
yihui 9:05f0b5a3a70a 91 */
yihui 9:05f0b5a3a70a 92 void fall(void (*fptr)(void));
yihui 9:05f0b5a3a70a 93
yihui 9:05f0b5a3a70a 94 /** Attach a member function to call when a falling edge occurs on the input
yihui 9:05f0b5a3a70a 95 *
yihui 9:05f0b5a3a70a 96 * @param tptr pointer to the object to call the member function on
yihui 9:05f0b5a3a70a 97 * @param mptr pointer to the member function to be called
yihui 9:05f0b5a3a70a 98 */
yihui 9:05f0b5a3a70a 99 template<typename T>
yihui 9:05f0b5a3a70a 100 void fall(T* tptr, void (T::*mptr)(void)) {
yihui 9:05f0b5a3a70a 101 _fall.attach(tptr, mptr);
yihui 9:05f0b5a3a70a 102 gpio_irq_set(&gpio_irq, IRQ_FALL, 1);
yihui 9:05f0b5a3a70a 103 }
yihui 9:05f0b5a3a70a 104
yihui 9:05f0b5a3a70a 105 /** Set the input pin mode
yihui 9:05f0b5a3a70a 106 *
yihui 9:05f0b5a3a70a 107 * @param mode PullUp, PullDown, PullNone
yihui 9:05f0b5a3a70a 108 */
yihui 9:05f0b5a3a70a 109 void mode(PinMode pull);
yihui 9:05f0b5a3a70a 110
yihui 9:05f0b5a3a70a 111 /** Enable IRQ. This method depends on hw implementation, might enable one
yihui 9:05f0b5a3a70a 112 * port interrupts. For further information, check gpio_irq_enable().
yihui 9:05f0b5a3a70a 113 */
yihui 9:05f0b5a3a70a 114 void enable_irq();
yihui 9:05f0b5a3a70a 115
yihui 9:05f0b5a3a70a 116 /** Disable IRQ. This method depends on hw implementation, might disable one
yihui 9:05f0b5a3a70a 117 * port interrupts. For further information, check gpio_irq_disable().
yihui 9:05f0b5a3a70a 118 */
yihui 9:05f0b5a3a70a 119 void disable_irq();
yihui 9:05f0b5a3a70a 120
yihui 9:05f0b5a3a70a 121 static void _irq_handler(uint32_t id, gpio_irq_event event);
yihui 9:05f0b5a3a70a 122
yihui 9:05f0b5a3a70a 123 protected:
yihui 9:05f0b5a3a70a 124 gpio_t gpio;
yihui 9:05f0b5a3a70a 125 gpio_irq_t gpio_irq;
yihui 9:05f0b5a3a70a 126
yihui 9:05f0b5a3a70a 127 FunctionPointer _rise;
yihui 9:05f0b5a3a70a 128 FunctionPointer _fall;
yihui 9:05f0b5a3a70a 129 };
yihui 9:05f0b5a3a70a 130
yihui 9:05f0b5a3a70a 131 } // namespace mbed
yihui 9:05f0b5a3a70a 132
yihui 9:05f0b5a3a70a 133 #endif
yihui 9:05f0b5a3a70a 134
yihui 9:05f0b5a3a70a 135 #endif